1. Train cars used to transport people

2. A small wheel used to guide a locomotive along the track

3. Illumination sources on a locomotive for visibility

4. A separate car or compartment attached to a steam locomotive for fuel and water storage

5. Train cars used to transport cargo or goods

5. A projecting rim on a locomotive's wheel that keeps it on the track

6. The distance between the inner edges of the track

7. The metal tracks on which a locomotive travels

8. Categorized as the main power source of a locomotive

9. Circular parts that a locomotive uses to roll on the track

10. A handle used to operate various controls on a locomotive

11. Historical type of locomotive powered by boiling water

12. The rate at which a locomotive moves

12. An inclined path on which a locomotive can move up or down

13. Audible signaling device on a locomotive

14. A maneuver to move a locomotive and detach it from a train

15. Another audible signaling device on a locomotive

16. The pathway on which locomotives travel

17. Device used to connect or disconnect train cars

18. Equipment used to lift heavy loads onto or off of a locomotive

19. Fuel source used in older locomotives powered by steam